Cardiomyopathy is a disease of the heart muscle which results from either a very thickened heart muscle, resulting in very small heart chambers (hypertropic cardiomyopathy) or a very dilated (stretched) heart muscle with very large heart chambers (dilated cardiomyopathy). Both forms result in a heart that is unable to function properly in pumping blood throughout the body.

Cataracts are common, especially in older cats, and cause cloudiness within the lens of the eye. Poor vision and even blindness can result.

Coccidiosis is a frequent cause of diarrhea in cats, especially in kittens.

Congestive Heart Failure is a chronic condition in which a weakened heart does not pump enough blood to maintain normal body function.

Conjunctivitis is an inflammation of the tissues surrounding the eyeball and is an extremely common cat disease.

Constipation results in infrequent or difficult bowel movements. Often the stools will be dry and hard.

Corneal Injuries are injuries to the eyeball itself. They can be painful and can cause loss of vision if severe.

Dental Disease can result in loose or missing teeth. Diseased teeth can be sore and may cause your cat to have difficult chewing food or even to lose his/her appetite.

Diabetes is a disease resulting from high blood glucose (sugar) levels. It is caused by a deficiency of insulin, a hormone which is normally produced by the pancreas.

An Ear Hematoma is a blood-filled sac between the cartilage and skin of the flap of the ear. It appears as lump or swelling on the ear flap. Trauma from head shaking is the most frequent cause and the condition often is the result of an ear infection.

Ear Mites are parasites which live primarily within the ear canal. They can cause the ears to be itchy and uncomfortable.

Eosinophilic Granuloma Complex is a chronic disease condition which affects the lips, gums, and skin of affected cats.

External Parasites include pests such as fleas and ticks. These parasites can not only make your cat itchy and uncomfortable, but they can also cause several types of illness.

Feline Acne is a bacterial skin disease which frequently appears on the chin of affected cats.

Feline Immunodeficiency Virus (FIV or Feline AIDS) is a viral disease which is contagious from cat to cat. It is spread through contact with an infected cat, with wounds sustained while fighting being a common means of infection. It is a serious, often fatal disease.

Feline Asthma is an allergic respiratory condition in cats resulting in sneezing, coughing, wheezing, and difficulty breathing. Symptoms can range from mild to life-threatening.

Feline Distemper, also known as feline panleukopenia, is a viral disease which is spread from cat to cat through contact with infected animals or through contact with secretions from infected animals. It can be fatal, especially in young kittens. Vaccination against feline distemper is should be considered a essential part of cat health care.

Feline Infectious Peritonitis (FIP) is a viral disease which is considered to be a contagious type of disease. Symptoms can vary and diagnosis can be frustrating.

Feline Leukemia (FeLV) is a serious, often fatal, viral disease which is passed from one cat to another. Testing for leukemia is recommended as part of a routine preventive cat health care program. Vaccination is also available for those cats at risk.

Feline Urologic Syndrome (FUS), also known as feline lower urinary tract disease (or FLUTD), is a collection of diseases which affect the urinary system of cats. Male cats suffering from FUS can sometimes develop a life-threatening obstruction of the urinary tract.

Hairballs, which are present in your pet's vomitus, are a common problem seen in cats. Accumulation of hair in the stomach of your cat is a direct result of the significant portion of your cat’s life that is spent grooming. It has been estimated that cats groom themselves for up to 1/3 of their waking hours.

Heartworm in cats is less commonly seen than in dogs, but it is a threat and one of the symptoms associated with heartworm disease in cats is sudden death. For this reason, preventive medications are often recommended as part of a preventive cat health care program.

Hyperthyroidism is common disease in middle-age to older cats. It is caused by an excessive secretion of thyroid hormone. Symptoms include weight loss, enormous appetite, poor hair coat, hyperactivity, heavy breathing, coughing, vomiting and diarrhea.

Inflammatory Bowel Disease is a chronic disease of the gastro-intestinal tract. It can be a frustrating disease and frequently causes vomiting and diarrhea for affected cats.

Intestinal Parasites include worms and other parasites which live inside of your cat's intestinal tract. These parasites are frequently diagnosed by analyzing the feces microscopically. Regular fecal examinations and worming as necessary should be part of your preventive cat health care program.

Kidney Disease is common in senior cats and can have many different causes. Symptoms may include excessive thirst, excessive urination, lack of appetite, vomiting, and lethargy.

Mammary Tumors are tumors which occur in the mammary glands. They usually occur in female pets, though rarely males may be diagnosed with mammary tumors. Mammary tumors may be benign or malignant (cancerous). Unfortunately, a large percentage of them are cancerous.

Mastitis/Metritis/Aglactia is a complex of diseases seen in nursing mothers, involving infection in the uterus and mammary glands and soured milk which may make nursing puppies ill.

Obesity is one of the most common health issues seen in cats today. Many of our cats are overweight and obesity can predispose your cat to various health problems.

Otitis is an ear infection which may be caused by bacteria, yeast, parasites, foreign bodies or tumors within the ear canal. Otitis can be uncomfortable for your cat and symptoms may include shaking the head, scratching at the ears, an odor or discharge from the ears, and reddened, inflamed ear canals which may even bleed.

Protozoan Diarrhea is a complex of diseases caused by tiny one-celled organisms which infect the intestinal tract of your cat and cause diarrhea. It is particularly common in young cats.

Pyoderma is a bacterial infection of the skin. It is frequently seen as a complication of other types of skin disease or trauma.

Pyometra is a severe, sometimes fatal, infection of the uterus. It occurs in intact (un-spayed) female cats as a result of hormonal stimulation from going in and out of "heat". The prevention of pyometra is one of the primary health benefits of spaying your female cat.

Rabies is a fatal viral disease which affects cats, dogs, people and many other types of animals. Rabies vaccination is an essential part of a preventive cat health care program and many communities have laws requiring the vaccination of pets against rabies.

Ringworm is a skin disease caused by a fungus. It is contagious not only to other cats, but to people as well. It is characterized by a rash and hair loss.

Tapeworms are common intestinal parasites in cats. They are frequently acquired through flea infestation, but can also be passed on through the hunting and killing of small animals such as rabbits or rodents. Flea control and restricting hunting activities are necessary to control the spread of tapeworms.

Toxoplasmosis is a disease of cats which is of considerable concern to pregnant women. Though the disease in cats is usually mild and self-limiting, the disease in pregnant women can affect the unborn child.

Upper Respiratory Infection (URI) are common in cats, especially in young cats. Symptoms of URI include sneezing, coughing, runny eyes, runny nose, lack of appetite, and wheezing. Vaccination against calicivirus and feline rhinotracheitis (feline herpesvirus) should be part of your preventive cat health care program, as these diseases are frequent causes of upper respiratory infections in cats.